121010001011011 has 8 divisors (see below), whose sum is σ = 138390399010304. Its totient is φ = 103652916761160.

The previous prime is 121010001010973. The next prime is 121010001011017. The reversal of 121010001011011 is 110110100010121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121010001011011 - 2¹⁹ = 121010000486723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121010001011017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5828426235 + ... + 5828446996.

It is an arithmetic number, because the mean of its divisors is an integer number (17298799876288).

Almost surely, 2^{121010001011011} is an apocalyptic number.

121010001011011 is a deficient number, since it is larger than the sum of its proper divisors (17380397999293).

121010001011011 is a wasteful number, since it uses less digits than its factorization.

121010001011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11656874721.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 121010001011011 its reverse (110110100010121), we get a palindrome (231120101021132).

It can be divided in two parts, 1210100010110 and 11, that added together give a palindrome (1210100010121).

The spelling of 121010001011011 in words is "one hundred twenty-one trillion, ten billion, one million, eleven thousand, eleven".